城市穿梭 City Flight

"城市穿梭"是一款轻量级但有趣的游戏，通过简单的操作和丰富的进阶系统，为用户提供休闲娱乐体验。玩家操控一架飞行器在未来城市的高楼大厦间高速穿行，通过控制飞行器左右移动防止和建筑碰撞，飞行越久得分提高，飞行器会逐步升级，从普通直升机进化为光速穿梭器。

游戏操作说明：
1.方向键（← →）控制飞行器左右飞行；
2.空格键或者 P 键暂停/开始游戏。
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"City Flight" is a lightweight yet engaging game that offers casual entertainment through simple controls and a robust progression system. Players pilot an aircraft as it navigates at high speeds between futuristic city skyscrapers, avoiding collisions by controlling left-right movements. The longer they fly, the higher their score becomes, while their craft progressively upgrades from a standard helicopter to a lightspeed shuttle.

Game operation instructions:
1. Use the arrow keys (← →) to control the aircraft to fly left and right;
2. Use the space bar or P key to pause/start the game.